HAN has discovered that WING is her younger sister who has been separated from the family for many years. She wonders if she should let TAK know about the truth. WING stays in Hong Kong and challenges CRYSTAL, the best swimmer from the Sky Swimming Club, into a contest. WING falls into CRYSTAL’s trap and doesn’t perform as well as usual. She is later punished by the coach for it. TAK is shocked to discover that WING is his daughter. WING mistakes LOK for her cyber-fiance. When she finds that LOK is going on a blind date, she gets a little jealous and tries to stop him. LOK explains to her that this is just a misunderstanding. He then brings her to LUI asking for clarification. WING is so angry that she pushes LUI into the sea. LOK helps HAN to fix a damaged floppy disk and happens to come across the annual accounts of TAK’s swimming team. Noticing how WING addresses LOK, TAK guesses the pair may have been married……